Home / 432,414,111.40-648,621,167.10-359,712,982.60

Finding the Fourth Proportional to 432,414,111.40, 648,621,167.10 and 359,712,982.60

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Solution

The fourth proportional to 432,414,111.40, 648,621,167.10 and 359,712,982.60 is: 539,569,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,414,111.40 : 648,621,167.10 = 359,712,982.60 : x
  2. Step 2: Convert to fraction form
    432,414,111.40/648,621,167.10 = 359,712,982.60/x
  3. Step 3: Cross multiply
    432,414,111.40x = 648,621,167.10 × 359,712,982.60
  4. Step 4: Simplify right side
    432,414,111.40x = 233,317,454,595,034,016
  5. Step 5: Solve for x
    x = 233,317,454,595,034,016/432,414,111.40
  6. Step 6: Final answer
    x = 539,569,473.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.